Seções de choque totais do espalhamento de elétrons por 1-butanol

Abstract

In this work were carried out for the first time total cross section (SCT) measurements for electron scattering by 1-butanol molecules, in the impact energy range from 100 eV to 400 eV. These measurements were carried out in a new apparatus developed at the Atomic and Molecular Spectroscopy Laboratory of the Federal University of Juiz de Fora, Brazil, which is based on the Beer-Lambert Law, that is, on the determination of the attenuation of a collimated electron beam, with defined energy, traversing a cell containing the studied gas at the known pressure and temperature. Also, SCT data of 1-butanol were produced using the Additive Rule (AR) proposed by Joshipura and Vinodkumar [21,22]. The experimental data showed good qualitative agreement with the data obtained by RA, an expected result, since this method is more appropriate for fast collisions. The SCT curve of 1-Butanol was also generated through a twoparameter formula, which allows parameterization of the SC values for different molecules over a wide energy range, substantially reducing the statistical dispersion of the data.